Github maths markdown

Stream: general

[Eric Rodriguez]

FYI:

https://github.blog/2022-05-19-math-support-in-markdown/

Will be nice for PR descriptions!

[Kevin Buzzard]

Why does Zulip make me type $$ for inline math when LaTeX and now this are happy with $?

[Eric Wieser]

Maybe because business users don't want their $100 from yesterday and$ 50 from today to look awful?

[Eric Wieser]

Although it looks like they already require spaces around the $$s anyway

[Arthur Paulino]

$$ is also the pattern in mathjax so my hypothesis is that they're using it under the hood

[Reid Barton]

I think it was just a conservative position for the reason Eric mentioned, but it would probably actually be fine in practice to allow single $s.

[Matthew Ballard]

Arthur Paulino said:

$$ is also the pattern in mathjax so my hypothesis is that they're using it under the hood

They use katex but it is functionally the same. If ever they allow communities/users to use custom tex macros (did this ever go through?), then it is possible they could be convinced to allow custom delimiters.

[Reid Barton]

The spacing (or lack thereof) around $=$ on that blog post is strange

[Reid Barton]

$$x = {-b \pm \sqrt{b^2-4ac} \over 2a}$$

[Reid Barton]

all the spacing really

[Kyle Miller]

The spacing is still weird in the live version:

image.png

image.png

[Kyle Miller]

The op and bin classes in math mode are supposed to have spacing to either side of them.

[Horațiu Cheval]

Can one use things like \mathbb{R} using this feature on Github? If it's possible, I can't figure out how to make it work

[Horațiu Cheval]

Nevermind, the problem was that apparently one can not use math in markdown lists. It works outside